What are the primary functions of an operating system?

The primary functions of an operating system are centered around managing hardware resources, providing user interfaces, and executing software applications, which accurately reflects the scope of what operating systems do.

Managing hardware resources involves overseeing the computer's physical components, such as the CPU, memory, disk drives, and peripheral devices. The operating system ensures that each program and user has fair access to these resources, coordinating resource allocation to optimize system performance and responsiveness.

Providing user interfaces is another essential function. This includes graphical user interfaces (GUIs) and command-line interfaces (CLIs) that allow users to interact with the computer effectively. By offering these interfaces, the operating system simplifies the user experience, making it easier for individuals to operate the computer and access software applications.

The execution of software applications is also a crucial aspect of an operating system's role. It provides an environment in which applications can run, manages their processes, and facilitates communication between programs and the hardware. This functionality ensures that users can perform tasks seamlessly, whether it’s word processing, web browsing, or running complex software.

In contrast, the other choices lack the comprehensive coverage of the operating system's primary functions. While only managing hardware resources is an important aspect, it does not encompass the full range of responsibilities. Providing